class TripleNode{
    public static final int length = 0;
	public int row; //行号
    public int column;//列号
    public int value;//元素值

    //构造有参数的方法
    public TripleNode(int row , int column, int value){
        this.column = column;
        this.row = row;
        this.value = value;
    }
    //构造无参数的方法
    public TripleNode(){
        this(0,0,0);
    }

    @Override
    public String toString() {
        return   column +""+ row +""+ value ;
    }
}